问题一：
Nov 20 06:13:44 production-elk kubelet: I1120 06:13:44.919624 9429 state_mem.go:36] [cpumanager] initializing new in-memory state store Nov 20 06:13:44 production-elk kubelet: E1120 06:13:44.919737 9429 container_manager_linux.go:291] failed to initialize cpu manager: could not initialize checkpoint manager: could not restore state from checkpoint: checkpoint is corrupted Nov 20 06:13:44 production-elk kubelet: Please drain this node and delete the CPU manager checkpoint file "/var/lib/kubelet/cpu_manager_state" before restarting Kubelet. Nov 20 06:13:44 production-elk kubelet: F1120 06:13:44.919751 9429 server.go:262] failed to run Kubelet: could not initialize checkpoint manager: could not restore state from checkpoint: checkpoint is corrupted Nov 20 06:13:44 production-elk kubelet: Please drain this node and delete the CPU manager checkpoint file "/var/lib/kubelet/cpu_manager_state" before restarting Kubelet.
解决办法：
rm -rf /var/lib/kubelet/cpu_manager_state
原文：https://www.cnblogs.com/fat-girl-spring/p/14012802.html